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53934822ac
Files like dh.pod, etc., mostly duplicated the API-specific pod files. Removed the duplicated content; that often mean the whole file could be removed. Some of the content about internals got moved into README files in the source tree. Some content (e.g., err.pod) got moved into other pod pages. Annotate generic pages, remove dup NAME Reviewed-by: Richard Levitte <levitte@openssl.org>
76 lines
2.2 KiB
Plaintext
76 lines
2.2 KiB
Plaintext
=pod
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=for comment openssl_manual_section:7
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=head1 NAME
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x509 - X.509 certificate handling
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=head1 SYNOPSIS
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#include <openssl/x509.h>
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=head1 DESCRIPTION
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A X.509 certificate is a structured grouping of information about
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an individual, a device, or anything one can imagine. A X.509 CRL
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(certificate revocation list) is a tool to help determine if a
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certificate is still valid. The exact definition of those can be
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found in the X.509 document from ITU-T, or in RFC3280 from PKIX.
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In OpenSSL, the type X509 is used to express such a certificate, and
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the type X509_CRL is used to express a CRL.
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A related structure is a certificate request, defined in PKCS#10 from
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RSA Security, Inc, also reflected in RFC2896. In OpenSSL, the type
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X509_REQ is used to express such a certificate request.
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To handle some complex parts of a certificate, there are the types
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X509_NAME (to express a certificate name), X509_ATTRIBUTE (to express
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a certificate attributes), X509_EXTENSION (to express a certificate
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extension) and a few more.
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Finally, there's the supertype X509_INFO, which can contain a CRL, a
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certificate and a corresponding private key.
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B<X509_>I<...>, B<d2i_X509_>I<...> and B<i2d_X509_>I<...> handle X.509
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certificates, with some exceptions, shown below.
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B<X509_CRL_>I<...>, B<d2i_X509_CRL_>I<...> and B<i2d_X509_CRL_>I<...>
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handle X.509 CRLs.
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B<X509_REQ_>I<...>, B<d2i_X509_REQ_>I<...> and B<i2d_X509_REQ_>I<...>
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handle PKCS#10 certificate requests.
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B<X509_NAME_>I<...> handle certificate names.
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B<X509_ATTRIBUTE_>I<...> handle certificate attributes.
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B<X509_EXTENSION_>I<...> handle certificate extensions.
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=head1 SEE ALSO
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L<X509_NAME_ENTRY_get_object(3)>,
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L<X509_NAME_add_entry_by_txt(3)>,
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L<X509_NAME_add_entry_by_NID(3)>,
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L<X509_NAME_print_ex(3)>,
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L<X509_NAME_new(3)>,
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L<d2i_X509(3)>,
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L<d2i_X509_ALGOR(3)>,
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L<d2i_X509_CRL(3)>,
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L<d2i_X509_NAME(3)>,
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L<d2i_X509_REQ(3)>,
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L<d2i_X509_SIG(3)>,
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L<crypto(3)>,
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L<x509v3(3)>
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=head1 COPYRIGHT
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Copyright 2003-2016 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the OpenSSL license (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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